CVE-2025-4234

Credential disclosure via secrets written to logs

Published Sep 12, 2025 · Updated Feb 26, 2026

Credential exposure in Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 through 4.6.4 allows local users to read credentials. The enabled pack writes user credentials into application logs that remain available for local viewing and are bundled into troubleshooting packages. Exposure requires the Microsoft 365 Defender Pack to be enabled and extends the credentials to anyone who receives the generated logs.

CVSS severity2.4
Low
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential exposure in Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 through 4.6.4 allows local users to read credentials. The enabled pack writes user credentials into application logs that remain available for local viewing and are bundled into troubleshooting packages. Exposure requires the Microsoft 365 Defender Pack to be enabled and extends the credentials to anyone who receives the generated logs.

The record

CVE
CVE-2025-4234
Published
Sep 12, 2025
Updated
Feb 26, 2026
Vendor
Palo Alto Networks
Product
Cortex XDR Microsoft 365 Defender Pack
Classifications
CWE-532, CAPEC-21, T1552.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.6.0 <11.0.2-133 changes=[{"at":"4.6.5","status":"unaffected"}]

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Palo Alto Networks · Cortex XDR Microsoft 365 Defender Packversion=4.6.0 <11.0.2-133 changes=[{"at":"4.6.5","status":"unaffected"}]

Published CVSS scores

0.5Palo Alto NetworksCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H/E:U/AU:N/R:U/V:D/RE:M/U:Amber
2.4Palo Alto NetworksCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File
CAPEC-21Exploitation of Trusted Identifiers
T1552.001Credentials In Files

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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